CVE-2026-41139: Mathjs

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

Math.js is an extensive math library for JavaScript and Node.js. From version 13.1.0 to before version 15.2.0, arbitrary JavaScript can be executed via the expression parser of mathjs. This issue has been patched in version 15.2.0.

Affected products

• Mathjs Mathjs: from 13.1.0, before 15.2.0 (fixed in 15.2.0)

Published 2026-05-07. Last modified 2026-07-15.